Surf Forecasts:
How big are the waves at Porth Ceriad today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 2ft (0.6m), 4s period with SW swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 2ft (0.6m), 4s period with SW swell.
- Evening surf: Evening surf (21 Sep, local time) - 1.5ft (0.4m), 4s period with SW swell.
The current surf forecast for Porth Ceriad at 1AM is: 0.4m 6s primary swell from a Southwest direction (forecast issued at 06:00pm September 20). An open ocean swell of 0.2m 4s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 2ft (0.6m) | 4s |
| Afternoon (21 Sep) | 2ft (0.6m) | 4s |
| Evening (21 Sep) | 1.5ft (0.4m) | 4s |
Table - waves today at Porth Ceriad. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Tue night. Very mild (max 18°C on Tue night, min 12°C on Wed morning). Winds increasing (light winds from the S on Tue afternoon, fresh winds from the N by Wed morning). | |||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | |||||||||||||||||
4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | NW 5 | SW 6 | SW 6 | SW 6 | SW 6 | SSW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 3 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | W 12 | W 12 | W 18 |
Wave Graph  | |||||||||||||||||||
 kJ | 19 | 19 | 14 | 13 | 6 | 7 | 14 | 11 | 6 | 5 | 4 | 8 | 8 | 7 | 5 | 3 | 3 | 3 | 6 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on |
High Tide | 4:04PM2.70m | 5:14AM2.61m | 5:48PM2.90m | 6:23AM2.86m | 6:40PM3.23m | ||||||||||||||
Low Tide | 11:24PM1.64m | 11:57AM1.65m | 00:48AM1.40m | 1:03PM1.37m | |||||||||||||||
 |  |  |  | | |  | | | | | | |  | | | | | | |
 | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — |
 | — | 7:22 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:16 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 13 | 14 | 14 | 14 | 15 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 |
Feels °C | 11 | 11 | 11 | 11 | 10 | 11 | 13 | 16 | 17 | 17 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | NW 5 | SW 6 | SW 6 | SW 6 | SW 6 | WSW 6 | SW 6 | SW 7 | SW 6 | SW 6 | SW 6 | SW 6 | SW 4 | — | SW 6 | SW 6 | WSW 3 | WSW 3 | WSW 3 |
| kJ | 14 | 19 | 14 | 13 | 6 | 3 | 2 | 2 | 2 | 1 | 1 | 2 | 8 | — | 1 | 1 | 1 | 1 | 1 |
Swell 2 Height (m) Direction Period (s) | SW 6 | NW 4 | NW 4 | NNW 4 | NW 4 | — | W 13 | W 13 | W 13 | W 13 | — | — | — | W 7 | — | W 12 | SW 6 | SW 6 | SW 6 |
| kJ | 19 | 7 | 3 | 2 | 1 | — | 3 | 3 | 3 | 3 | — | — | — | 1 | — | 3 | 1 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | W 14 | W 14 | N 5 | W 14 | — | W 13 | — | — | W 13 | — | — | W 13 | — | — | W 13 | — | W 12 | W 12 | W 18 |
| kJ | 4 | 4 | 1 | 4 | — | 3 | — | — | 3 | — | — | 3 | — | — | 3 | — | 3 | 3 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SSW 3 | SSW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 3 | SW 4 | — | SW 4 | SW 4 | SW 4 | — | — | — |
| kJ | — | — | — | — | 3 | 7 | 14 | 11 | 6 | 5 | 4 | 8 | — | 7 | 5 | 3 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 138 | 138 | 125 | 125 | 125 | 186 | 223 | 252 | 298 | 213 | 213 | 213 | 213 | 213 | 133 | 138 | 138 | 126 | 107 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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